Sensing method for collecting multivariate information at a goaf side based on chutes of scraper conveyors

Abstract

The present invention relates to the technical field of mining instruments, and discloses a sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors, wherein gesture sensors are provided at a goaf side of the chutes of a scraper conveyor; building an equivalent model of the chutes, fusing constants and variants of relative information and distance measurements methods, determining collection of multivariate information of detection bodies of the gesture sensors of the chutes and combinational logic algorithms thereof; and sensing gesture changes of the chutes by the detection bodies of the gesture sensors of the chutes and conducting collection of the multivariate information and analyzing relative changes and trends of gestures between the chutes. The present invention can further improve detection real time properties, accuracy, coverage, reliability and environment adaptability compared with other measurement methods.

1 . A sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors comprising:
 analyzing common mode difference features in changing processes of chutes of a scraper conveyor and providing at least one gesture sensor for the chutes at a goaf side of the chutes;   building an equivalent model based on the chutes, fusing constants and variants of relative distances, and determining collection of multivariate information and a plurality of combinational logic algorithms of detection bodies of the at least one gesture sensor of the chutes;   sensing gesture changes of the chutes via the at least one gesture sensor of the chutes, and conducting collection of the multivariate information;   judging whether relative movements are present in between the chutes based on the multivariate information collected by the at least one gesture sensor of the chutes; where the relative movements are present, turn to step S 105 ; where the relative movements are not present, turn to step S 103 ; and   judging trends of the relative movements and judging directions and magnitudes of the relative movements, determining corresponding points and conducting information interaction; meanwhile generating mapping images of relative positions of the chutes.   
     
     
         2 . The sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 1  wherein the multivariate information provided in the present invention comprises distances, angles and other information. 
     
     
         3 . The sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 1  wherein sensing the gesture changes of the chutes by the detection bodies of the at least one gesture sensor of the chutes provided in an embodiment of the present invention comprises:
 measuring the gesture changes by inertial navigation, raster grating, magnetic grating, electric resistance, capacitive grating or image recognition and other means. 
 
     
     
         4 . A sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors using the sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors as defined in  claim 1 , comprises:
 a plurality of gesture sensors  10 ; wherein the plurality of gesture sensors  10  are fixed at the goaf side of each of the chutes  1  via fixing supports;   the plurality of gesture sensors  10  of the chutes comprise detection bodies, signal processing circuits, communication ports and outer casings; and   the detection bodies are provided with moving mechanisms, extension mechanisms and retraction mechanisms.   
     
     
         5 . The sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 4 , wherein the plurality of gesture sensors can work in combination. 
     
     
         6 . The sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 4 , wherein the plurality of gesture sensors are further provided with flexible connection pieces. 
     
     
         7 . The sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 4 , wherein both ends of each of the plurality of gesture sensors are respectively fixed at adjacent chutes or walls of the chutes, or other objects connected with the chutes. 
     
     
         8 . The sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 4 , wherein at least one bolt is provided at an end of each of the fixing supports, the at least one bolt is configured to connect the chutes and at least one coal stopper, the at least one coal stopper and at least one cable tray, and the fixing supports are fixed at the chutes  1 . 
     
     
         9 . The sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors according to  claim 4 , wherein key points of the fixing supports specially for the adjacent chutes are connected by pulling at least one wire, providing at least one supports or other means, and the fixing supports for each of the chutes are connected by the plurality of sensors. 
     
     
         10 . A sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors using the sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors as defined in  claim 2 , comprises:
 a plurality of gesture sensors  10 ; wherein the plurality of gesture sensors  10  are fixed at the goaf side of each of the chutes  1  via fixing supports;   the plurality of gesture sensors  10  of the chutes comprise detection bodies, signal processing circuits, communication ports and outer casings; and   the detection bodies are provided with moving mechanisms, extension mechanisms and retraction mechanisms.   
     
     
         11 . A sensing device for collecting multivariate information at a goaf side of chutes based on scraper conveyors using the sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors as defined in  claim 3 , comprises:
 a plurality of gesture sensors  10 ; wherein the plurality of gesture sensors  10  are fixed at the goaf side of each of the chutes  1  via fixing supports;   the plurality of gesture sensors  10  of the chutes comprise detection bodies, signal processing circuits, communication ports and outer casings; and   the detection bodies are provided with moving mechanisms, extension mechanisms and retraction mechanisms.